How to get 2 meta_value from database wp?
global $wpdb;
$liveaustralia = $wpdb->get_var("SELECT ok.meta_value as ok, okok.meta_value as okok FROM $wpdb->postmeta AS ok LEFT JOIN $wpdb->postmeta AS okok WHERE post_id = '27' AND okok.meta_key = '_thumbnail_id' AND ok.meta_key = 'australian_brother'");
echo $liveaustralia->ok;
echo $liveaustralia->okok;